I'm really not sure if this is the solution to my problem, but it's the only thing I can think of. I'm designing a simple platforming engine in LibGDX, but whenever you drag the game window (or hold the left mouse button over the window pane) for a certain period of time, when you let go the character will fall through the floor due to a build up of acceleration (the longer you hold it the further he'll teleport down after letting go). For some reason the act of dragging the window prevents the ground from stopping the acceleration buildup. The only solution I can think of is to pause the game when the window is out of focus, but that might be completely wrong.
Thanks.
I solved it by only updating the position if deltaTime is small enough, since deltaTime increases while the window is being dragged.
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My 2d platformer has a "time travel" mechanic.
You place down a hologram at a location (actor with no collision and some pretty effects).
While you hold down the "Rewind" button, your character's collision and gravity are turned off, and he slowly moves towards the hologram.
When you release the rewind button, it turns his collision back on.
My tilemap is set to "block" the pawn (so he can walk on it, etc).
If you release the button while he's overlapping the terrain, and it turns his collision back on, he gets stuck.
I'm wondering what to do. Unity automatically "ejected" an object that was overlapping something it shouldn't be.
Since the terrain is set up to block the pawn, I can't fire an overlap event. "On Component Hit" will fire just from him standing or rubbing against the terrain, so that won't do either.
How should I detect that the player is popping up inside the terrain? I can decide what to do later (eject them, kill them, prevent them from appearing, etc). But for right now I just need to differentiate from them touching the tilemap and being inside it.
Any ideas?
So what I wound up doing was duplicating the capsule collider on my player. The new capsule (called 'Terrain Overlap') ignores all collisions, except it overlaps the tilemap.
The component has a begin and end overlap method that sets a boolean on the character.
When the player lets go of the Rewind button, if they're inside the ground (boolean check), I can fire the death method.
I'm trying to make a borderless window where the maximized window properly fits the work area of the screen when maximized. This has turned out to be more difficult than I could've ever imagined, and every solution I can find has some sort of downside or glitch that prevents it from being perfect. Some of the glitches are very minor and probably wouldn't be a big deal to most people, but it bothers me.
I know it's possible to do this somehow because I've used a few programs that clearly draw their own non-client area but have proper maximize behavior and appear to be without glitches. Steam and Twitch clients are two examples. However, I have no idea how much code or what sort of tricks they used to get their windows to have that behavior.
Background Info:
When maximizing a window, the window manager positions the window in such a way that the non-client area falls just outside of the visible work area so that the non-client area is not visible when the window is maximized. I remove the non-client area by returning 0 from WM_NCCALCSIZE because I want to be able to draw my own non-client area. The result is that the window manager is trying to account for a non-client area that doesn't exist and my maximized borderless window extends off the screen approximately 7 or 8 pixels in all directions.
What I've tried to fix this:
I've tried handling WM_MINMAXINFO, which doesn't work because the window manager ignores any dimensions passed unless they are smaller than the work area or monitor area. For example, if I subtract 1 from the ptMaxSize.x coordinate, the window fits almost perfectly except there's a 1 pixel transparent space where you can click whatever is behind the window. See this post for more info.
What almost works:
I found this post which contains a solution that almost works perfectly, except that when maximizing the window with Aero Snap, there's a very brief flicker where you can see everything behind the window. This doesn't occur when maximizing the window by double clicking the title bar or using the maximize buttons, even when adjusting the size of the non-client area on maximize. Here's a video that demonstrates the issue.
Video explanation:
First, I maximize the window several times with Aero Snap without the adjustments being made to the non-client area to demonstrate that the maximize transition is flicker-free. Then I show that the window flickers after having adjusted the size of the non-client area on maximizing.
My Question:
Is there a way to prevent the flicker from happening when using this method to fit the maximized borderless window to the work area? Or is there a better way to go about making the maximized window fit the screen? Handling WM_MINMAXINFO seemed like the best hack-free approach, but because of the quirky way windows responds to dimensions that are greater than or equal to the work area, it doesn't seem to work.
I would like to wrap the mouse cursor on desktop edges, (when my app is run and has focus, but it may be also windowed thus less area then screen)
when it goes to left adge i would want go jump on right when it goes down i want to jump it from up
Is there an easy way to obtain this effect?
(winapi functions only)
tnx
I have a simple rotation animation that spins an object on its axis. At the moment its spinning too quick and I want to slow it down, I've tried increasing the samples?? But I don't know that much about animation so I might be well off. How do I slow an animation down? It only has two keys.
First, open the state machine associated with this animator by double-clicking on the controller field of your object.
Then select the animation you would want to slow down in the state machine. Then in Inspector panel there is a speed field. You can just decrease its value to slow the animation down.
in my opinion the iPhone has a big advantage to other smartphones because of its intuitive, smooth and good feeling scrolling components in UIKit. I want to implement a simple game with UIKit which uses this kind of scrolling, but i can't use UIScrollView because it isn't customizable enough.
I tried to implement this scrolling myself and tried two different approaches:
I used a UIPanGestureRecognizer und moved the bounds of my custom control according to the translation the recognizer delivers me. In order to get this smooth scrolling after lifting my finger during the movement I start an animation. I use the velocity the recognizer gives me and a fixed time in order to calculate how far it should scroll after I lifted my finger. I tryed a linear movement and a ease-out movement, but both looks strange. (more later on that)
I use OnTouchMoved and OnTouchEnded to implement the scrolling. In OnTouchMove I move the bounds according to the movment of the finger. While the finger moves I calculate the difference in location and time of the current and last touch in order to calculate a velocity myself. When the finger lifts I start an animation in OnTouchEnded like in 1. but I use my self-calculated velocity instead.
Both approaches are not giving me the results I want. After lifting my finger, the scrolling is not smoothly continued. There seems to be a (sharp) bend in the celocity curve.
Has anyone an idea how apple does this smooth scrolling? My current guess is that my interpolation with two really close points is to inaccurate and doesn't take the current acceleration into account.
Thx for your thoughts!
Kie
Why don't you add a UIScrollView as handle on top of your view, without visible content. Then you can use the UIScrollViewDelegate methods to update your real view on certain actions. For example: if you capture the scrolling of the UIScrollView using scrollViewDidScroll: , you can update your visible view with the offset of the scrollview. You can use the scrollViewWillEndDragging: to start synchronizing the main view with the scrollview, and scrollViewDidEndDecelerating to stop synchronizing.
I use the same approach to scroll the background of my Animix app. It has an invisible scrollview at the bottom, to give the user the feeling he can drag the grass to the left and right to move the background.